The BLOCK,TELEPHONE PROTECTOR is a the manufacturer industrial component. Key specifications include shape: CYLINDRICAL, material: CARBON, base_style: WIRE LEADS, DOWN, bulb_style: T (TUBULAR), overall_length: 0.650 INCHES NOMINAL IN, overall_diameter: 0.500 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5920-00-521-8331, indicating validated use in U.S.
government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.
| shape | CYLINDRICAL |
| material | CARBON |
| base_style | WIRE LEADS, DOWN |
| bulb_style | T (TUBULAR) |
| overall_length | 0.650 INCHES NOMINAL IN |
| overall_diameter | 0.500 INCHES NOMINAL IN |
| special_features | ONE SLOTTED HEAD SCREW; 7/16 X 20 IN. THD IN |
| light_intensity_level | STANDARD |
| end_item_identification | TEST SET |
| emitted_light_characteristic | COLORLESS |
| circuit_voltage_rating_in_volts | 105.000 MINIMUM AND 125.000 MAXIMUM |
| circuit_protector_block_location | ABOVE GROUND SIDE |
| NSN | 5920-00-521-8331 |
| OVERALL LENGTH | 0.650 INCHES NOMINAL IN |
| OVERALL DIAMETER | 0.500 INCHES NOMINAL IN |
| CIRCUIT PROTECTOR BLOCK LOCATION | ABOVE GROUND SIDE |
| MATERIAL | CARBON |
| SPECIAL FEATURES | ONE SLOTTED HEAD SCREW; 7/16 X 20 IN. THD IN |
| SHAPE | CYLINDRICAL |